diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 8f60fd833c162ab4406356f9109589a621aa13da..d25647be25d18ba6a88cbbecc97f4d02ff662e52 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -1007,6 +1007,10 @@ IS_SUBPLATFORM(const struct drm_i915_private *i915,
 #define IS_PONTEVECCHIO(dev_priv) IS_PLATFORM(dev_priv, INTEL_PONTEVECCHIO)
 #define IS_METEORLAKE(dev_priv) IS_PLATFORM(dev_priv, INTEL_METEORLAKE)
 
+#define IS_METEORLAKE_M(dev_priv) \
+	IS_SUBPLATFORM(dev_priv, INTEL_METEORLAKE, INTEL_SUBPLATFORM_M)
+#define IS_METEORLAKE_P(dev_priv) \
+	IS_SUBPLATFORM(dev_priv, INTEL_METEORLAKE, INTEL_SUBPLATFORM_P)
 #define IS_DG2_G10(dev_priv) \
 	IS_SUBPLATFORM(dev_priv, INTEL_DG2, INTEL_SUBPLATFORM_G10)
 #define IS_DG2_G11(dev_priv) \
diff --git a/drivers/gpu/drm/i915/i915_pci.c b/drivers/gpu/drm/i915/i915_pci.c
index 859d43c7d0a36ab1a4ad30cdff58f6990052051d..aacc10f2e73f45e715134b211035379306349f78 100644
--- a/drivers/gpu/drm/i915/i915_pci.c
+++ b/drivers/gpu/drm/i915/i915_pci.c
@@ -1214,6 +1214,7 @@ static const struct pci_device_id pciidlist[] = {
 	INTEL_RPLP_IDS(&adl_p_info),
 	INTEL_DG2_IDS(&dg2_info),
 	INTEL_ATS_M_IDS(&ats_m_info),
+	INTEL_MTL_IDS(&mtl_info),
 	{0, 0, 0}
 };
 MODULE_DEVICE_TABLE(pci, pciidlist);
diff --git a/drivers/gpu/drm/i915/intel_device_info.c b/drivers/gpu/drm/i915/intel_device_info.c
index 27c343316afaaf55914b0ca4bd4f3f3cce568868..d98fbbd589aaa43669187b6e937dbe701aed5228 100644
--- a/drivers/gpu/drm/i915/intel_device_info.c
+++ b/drivers/gpu/drm/i915/intel_device_info.c
@@ -202,6 +202,14 @@ static const u16 subplatform_g12_ids[] = {
 	INTEL_DG2_G12_IDS(0),
 };
 
+static const u16 subplatform_m_ids[] = {
+	INTEL_MTL_M_IDS(0),
+};
+
+static const u16 subplatform_p_ids[] = {
+	INTEL_MTL_P_IDS(0),
+};
+
 static bool find_devid(u16 id, const u16 *p, unsigned int num)
 {
 	for (; num; num--, p++) {
@@ -256,6 +264,12 @@ void intel_device_info_subplatform_init(struct drm_i915_private *i915)
 	} else if (find_devid(devid, subplatform_g12_ids,
 			      ARRAY_SIZE(subplatform_g12_ids))) {
 		mask = BIT(INTEL_SUBPLATFORM_G12);
+	} else if (find_devid(devid, subplatform_m_ids,
+			      ARRAY_SIZE(subplatform_m_ids))) {
+		mask = BIT(INTEL_SUBPLATFORM_M);
+	} else if (find_devid(devid, subplatform_p_ids,
+			      ARRAY_SIZE(subplatform_p_ids))) {
+		mask = BIT(INTEL_SUBPLATFORM_P);
 	}
 
 	GEM_BUG_ON(mask & ~INTEL_SUBPLATFORM_MASK);
diff --git a/drivers/gpu/drm/i915/intel_device_info.h b/drivers/gpu/drm/i915/intel_device_info.h
index 7ba9663213f437498b784a789b18bb53f6b20972..23bf230aa10486a931a355881d86ae58c7fcf6a2 100644
--- a/drivers/gpu/drm/i915/intel_device_info.h
+++ b/drivers/gpu/drm/i915/intel_device_info.h
@@ -127,6 +127,10 @@ enum intel_platform {
  */
 #define INTEL_SUBPLATFORM_N    1
 
+/* MTL */
+#define INTEL_SUBPLATFORM_M	0
+#define INTEL_SUBPLATFORM_P	1
+
 enum intel_ppgtt_type {
 	INTEL_PPGTT_NONE = I915_GEM_PPGTT_NONE,
 	INTEL_PPGTT_ALIASING = I915_GEM_PPGTT_ALIASING,
diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
index 1bd0420a213d792c2438c83196f46240029e019f..278031aa2e848377fc32e920b16f06f87ec4f8ac 100644
--- a/include/drm/i915_pciids.h
+++ b/include/drm/i915_pciids.h
@@ -733,5 +733,18 @@
 #define INTEL_ATS_M_IDS(info) \
 	INTEL_ATS_M150_IDS(info), \
 	INTEL_ATS_M75_IDS(info)
+/* MTL */
+#define INTEL_MTL_M_IDS(info) \
+	INTEL_VGA_DEVICE(0x7D40, info), \
+	INTEL_VGA_DEVICE(0x7D60, info)
+
+#define INTEL_MTL_P_IDS(info) \
+	INTEL_VGA_DEVICE(0x7D45, info), \
+	INTEL_VGA_DEVICE(0x7D55, info), \
+	INTEL_VGA_DEVICE(0x7DD5, info)
+
+#define INTEL_MTL_IDS(info) \
+	INTEL_MTL_M_IDS(info), \
+	INTEL_MTL_P_IDS(info)
 
 #endif /* _I915_PCIIDS_H */